WINNEMUCCA PLANT
Quick Summary
- •Released 750 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $13,600 in total penalties since records began.
- Address
-
5505 CYANCO DRIVE
WINNEMUCCA, NV 89445
View on map ↗ - County
- HUMBOLDT County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325180
- Inspections
- 4 · last Mar 20, 2025
- Total Penalties
- $13,600 · last Feb 6, 2024
- Registry ID
- 110000473005
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,432 | — |
| 2016 | 755 | -47% |
| 2017 | 750 | -1% |
| 2018 | 428 | -43% |
| 2019 | 4,972 | +1063% |
| 2020 | 3,058 | -38% |
| 2021 | 3,766 | +23% |
| 2022 | 1,061 | -72% |
| 2023 | 11,676 | +1001% |
| 2024 | 10,394 | -11% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 16,049 | |
| Ammonia | 9,224 | 9,224 | — | — | — | |
| Hydrogen cyanide | 1,171 | 1,171 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 55 | |
| Ammonia | 11,507 | 11,507 | — | — | — | |
| Hydrogen cyanide | 169 | 169 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 110 | |
| Ammonia | 816 | 816 | — | — | — | |
| Hydrogen cyanide | 245 | 245 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 3,504 | 3,504 | — | — | — | |
| Ammonia | 212 | 212 | — | — | — | |
| Cyanide compounds | 50 | 50 | — | — | 465 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen cyanide | 2,206 | 2,206 | — | — | — | |
| Cyanide compounds | 750 | 750 | — | — | 528 | |
| Ammonia | 102 | 102 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 12,196 | |
| Hydrogen cyanide | 3,300 | 3,300 | — | — | — | |
| Ammonia | 1,662 | 1,662 | — | — | — | |
| Nitric acid | 10 | 10 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 550 | |
| Ammonia | 255 | 255 | — | — | — | |
| Hydrogen cyanide | 163 | 163 | — | — | — | |
| Nitric acid | 10 | 10 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 573 | |
| Nitric acid | — | — | — | — | — | |
| Ammonia | 500 | 500 | — | — | — | |
| Hydrogen cyanide | 250 | 250 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 6 | |
| Hydrogen cyanide | 500 | 500 | — | — | — | |
| Ammonia | 255 | 255 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 13 | |
| Hydrogen cyanide | 1,177 | 1,177 | — | — | — | |
| Ammonia | 255 | 255 | — | — | — |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Hydrogen cyanide | — | — | — | 1,073,271 |
| Ammonia | — | — | — | 29,154,848 |
| Cyanide compounds | — | 3 | — | 44 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
US ECOLOGY NEVADA, INC
BEATTY, NV
|
Cyanide compounds | 16,002 | — | — | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Cyanide compounds | — | — | — | 13 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Cyanide compounds | — | — | — | 32 |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | FRV | Feb 2, 2026 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 18, 2021 | Jul 21, 2021 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 18, 2021 | Jul 21, 2021 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 23, 2018 | May 23, 2018 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Jun 16, 2008 | Aug 8, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jun 8, 2007 | Aug 14, 2007 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.